Home / 109,194.96-163,795.68-30,315

Finding the Fourth Proportional to 109,194.96, 163,795.68 and 30,315

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Solution

The fourth proportional to 109,194.96, 163,795.68 and 30,315 is: 45,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,194.96 : 163,795.68 = 30,315 : x
  2. Step 2: Convert to fraction form
    109,194.96/163,795.68 = 30,315/x
  3. Step 3: Cross multiply
    109,194.96x = 163,795.68 × 30,315
  4. Step 4: Simplify right side
    109,194.96x = 4,965,466,039.20
  5. Step 5: Solve for x
    x = 4,965,466,039.20/109,194.96
  6. Step 6: Final answer
    x = 45,473.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.